NPPES file of Aug 9, 2026

Karen Lewicki, M.D.

Psychiatry Physician · Chatsworth, CA

Karen Lewicki, M.D. is a psychiatry physician with a practice address in Chatsworth, California, and NPI 1427443324, issued on Mar 30, 2015. Check the license (California C198349, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427443324
Name
Karen Lewicki
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
C198349 CA
042.0013822 VT
060.0004391 VT
Self-reported in NPPES; status is on the state search
Practice location
20151 Nordhoff St, Chatsworth, CA 91311
Phone
(818) 407-3236
Enumerated
Mar 30, 2015
Record last updated
Jun 11, 2025
Medicare enrollment
Enrolled (PECOS I20250815003716); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 20151 Nordhoff St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marissa Andres-Kim, MDPsychiatry Physician1376779744
  2. Elena Angulo, MSWClinical Social Worker1730370271
  3. Jasmine AntimoRecreation Therapist1366079832
  4. Perla AragonClinical Social Worker1184756231
  5. Sanam BaldwinPsychiatric/Mental Health Nurse Practitioner1326746702
  6. Diana BallDay Training/Habilitation Specialist1962729921

Verify Karen Lewicki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C198349    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Los Angeles County Department OF Mental HealthChatsworth, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Lewicki among 8,673 psychiatry physician records in California

Karen Lewicki, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2015 · median 2005 among the 3,295 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 psychiatry physician records list a practice address in Chatsworth

They are 9 of the 498 NPPES records with a practice address in Chatsworth, and 8,673 psychiatry physician records in California.

All 8,673 in California → Every provider in Chatsworth → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Marissa Andres-Kim, MDChatsworth, CA 913111376779744
  2. Inna Barg, MDChatsworth, CA 913111447335377
  3. Izabella Gokhman, M.D.Chatsworth, CA 913111346288024
  4. Eric Gorinstein, M.D.Chatsworth, CA 913111922392828
  5. Tae Soon Kim, M.D.Chatsworth, CA 913111447498472
  6. Blair KimChatsworth, CA 913111649858580
  7. Rhodora Tolentino, M.D.Chatsworth, CA 913111033318191
  8. Veena Vadmal, MDChatsworth, CA 913111033148838

Common questions

What is Karen Lewicki, M.D.'s NPI number?

Karen Lewicki, M.D.'s National Provider Identifier (NPI) is 1427443324, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lewicki, M.D. located?

The NPPES record lists a practice address at 20151 Nordhoff St, Chatsworth, CA, 91311. Phone: (818) 407-3236. Providers update this record themselves, so call before visiting.

How can I verify Karen Lewicki, M.D.'s license?

NPPES lists California license number C198349, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.